Remove OnLocalSsrcChanged

webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h

Index: webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h
diff --git a/webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h b/webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h
index 9ba9b51bbb10469a0e190a77e9506579a2960802..a8128ea49708c101e481bd8533bb60b0d2957069 100644
--- a/webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h
+++ b/webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h
@@ -227,9 +227,6 @@ class RtcpIntraFrameObserver {
   virtual void OnReceivedRPSI(uint32_t ssrc,
                               uint64_t picture_id) = 0;
 
-  // TODO(mflodman): Remove completely.
-  virtual void OnLocalSsrcChanged(uint32_t old_ssrc, uint32_t new_ssrc) {}
-
   virtual ~RtcpIntraFrameObserver() {}
 };